249940990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{24337}}^1$

素因数の和:24436

約数の個数: 32

約数和(自身を含む): 490654080

約数和(自身を除く): 240713090

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 2054, 5135, 10270, 24337, 48674, 121685, 243370, 316381, 632762, 1581905, 1922623, 3163810, 3845246, 9613115, 19226230, 24994099, 49988198, 124970495, 249940990]

約数ペア:

[(1, 249940990), (2, 124970495), (5, 49988198), (10, 24994099), (13, 19226230), (26, 9613115), (65, 3845246), (79, 3163810), (130, 1922623), (158, 1581905), (395, 632762), (790, 316381), (1027, 243370), (2054, 121685), (5135, 48674), (10270, 24337)]